One more vote for Swiffer -- the cloths that would go on a mop, I use as a dust rag. They seem to get dust to cling better than cotton. For speakers, I don't push, but let the light weight of the Swiffer cloth drag across the cone.
Keeping your components Dust Free
Curious as to how others keep the dust off and out of their components. Is this a long-term concern or should I not worry about it? I currently have my integrated sitting on top of my A/V stand under my television. Dust isn’t crazy bad, but I’m sure it will accumulate after a few years.